Symbol
Explanation
Class II equipment
Class II equipment with functional earthing
Alternating current
DC voltage
Polarity of output terminals
Indoor use only
Dangerous voltage
Caution, risk of electric shock
Energy efficiency Marking
Protective earth
Earth
Frame or chassis
Functional earthing
Caution, hot surface
Caution
Operator's manual
Stand-by
"ON"/"OFF" (push-push)
137